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From "Khurram Faraaz (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-3647) Handle null as input to window function NTILE
Date Fri, 14 Aug 2015 16:10:45 GMT
Khurram Faraaz created DRILL-3647:
-------------------------------------

             Summary: Handle null as input to window function NTILE 
                 Key: DRILL-3647
                 URL: https://issues.apache.org/jira/browse/DRILL-3647
             Project: Apache Drill
          Issue Type: Bug
          Components: Execution - Flow
    Affects Versions: 1.2.0
         Environment: private-branch https://github.com/adeneche/incubator-drill/tree/new-window-funcs
            Reporter: Khurram Faraaz
            Assignee: Chris Westin


We need to handle null as input to window functions. NTILE function must return null as output
when input is null.

{code}
0: jdbc:drill:schema=dfs.tmp> select col7 , col0 , ntile(null) over(partition by col7 order
by col0) lead_col0 from FEWRWSPQQ_101;
Error: PARSE ERROR: From line 1, column 22 to line 1, column 37: Argument to function 'NTILE'
must not be NULL


[Error Id: e5e69582-8502-4a99-8ba1-dffdfb8ac028 on centos-04.qa.lab:31010] (state=,code=0)
{code}

{code}
0: jdbc:drill:schema=dfs.tmp> select col7 , col0 , lead(null) over(partition by col7 order
by col0) lead_col0 from FEWRWSPQQ_101;
Error: PARSE ERROR: From line 1, column 27 to line 1, column 30: Illegal use of 'NULL'


[Error Id: 6824ca01-e3f1-4338-b4c8-5535e7a42e13 on centos-04.qa.lab:31010] (state=,code=0)
{code}




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